[OpenJDK 2D-Dev] RFR: 8266520: Revert to OpenGL as the default 2D rendering pipeline for macOS

[Phil Race]

On Mon, 17 May 2021 10:18:54 GMT, Ajit Ghaisas <aghaisas at openjdk.org> wrote:

> This PR reverts to OpenGL as the default Java2D rendering pipeline for macOS.
> 
> Note : from JBS description :
> In JDK 17 build 19 under bug id [JDK-8265304](https://bugs.openjdk.java.net/browse/JDK-8265304) we switched to Metal as the default rendering pipeline with the plan that it would be reverted to OpenGL after 4 builds.

Marked as reviewed by prr (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/4052